Hermes 4 405B
nousresearch/hermes-4-405b
byNous Research131K contextReleased Aug 26, 2025Reasoning
Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research. It introduces a hybrid reasoning mode, where the model can choose to deliberate internally with...
- Input
- $1.09
- per 1M tokens
- Output
- $3.26
- per 1M tokens
- Cached input
- $0.217
- per 1M tokens
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Quickstart
Use any OpenAI SDK. Point it at the Ditfa Platform base URL and use an sk-dp- key.
curl https://gateway.ditfa.com/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $DITFA_API_KEY" \
-d '{
"model": "nousresearch/hermes-4-405b",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}'